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Ok, after disabling PAT in the kernel everything seems to work ok with these drivers (at least everything that worked ok with 8.5). My previous rant was a bit premature. No more hardlocks when exiting X, no more weird screen corruptions without compiz, and overdrive is a nice feature.

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Can anyone who plays WoW on Linux (using Cedega/Wine or whatever) comment on the the difference in performance between Linux and Windows?
In Windows, I can set the settings to highest, and it would not drop below 30 FPS, in D3D mode. In OpenGL, it was only a tad slower, reaching 20-25 FPS rarely.
In Linux, It's so much slower, never reaching above 25 in highest settings, and in default, never topping 35. Using Wine or Cedega only makes a few FPS of difference, and D3D is a few frames slower(although I like it because I can use Specular Lighting)
I tried a WoW script to launch it in a separate X server, and although it did feel faster, it's still not as fast as in Windows, and there is no sound with this method.
I'm not sure what's to fault in here, but I've seen lots of nVidia users report having same/higher FPS in Linux than in Windows, so maybe this is a ATI driver issue being slower than the Windows driver?

Yes, with eg. Nexuiz (I posted this in the 8.7 thread), I have problems with the 32-bit version, and no problems with the 64-bit binary on my 64-bit OS - is this well-known enough to be a "known issue", or are there workarounds?

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As I promise you I came back with a report about nvidia and kde4. I couldn't take that laptop, I put my hands on a desktop with a nvidia card (here : http://omnidatagrup.ro/~taipan/amd/desktop.html is the specs).
I install debian sid/experimenatl, kde4, nvidria driver (177.67), tweak the driver (http://www.nvnews.net/vbulletin/showthread.php?t=118088) turn on composite in kwin (Xrender).
I want to tell you something: KDE4 is flying like I've never seen it before, only some slowdown when i move, resize folderview plasmoid, resizing, moving, or maximizing windows are very very quick like on an intel card.

On my ATI Mob. 3650 HD if I have composite turn on when I try to resize, move or maximize a windows it take 3-4 to 10 seconds. If I turn off the composite KDE4 became usable.

I want to say something about only about NVidia and ATI support and binary drivers (I'm NOT talking about AMD decision to free the specs, God bless AMD !!!).

Today I hate NVidia, and I am so envious ...
In a early post you tell me:

wrong. Nvidia does give you nothing but hope. AMD gives you freedom of choice and alternatives.

It's seems you was wrong .

What nvidia did so wrong?
- first they give users hope, they release a beta (very promising) driver, with some problems.
- THEY ASK their users for help.
- THEY LISTEN their users, and collect the issue.
- THEY FIX (some) issue and , BOOM, they release another beta driver.
This is what I'm talking about !!!

oh - emm, you know that laptops with 8X00m and 9X00m onboard graphics are dying in huge numbers right now? And if the inquirer and some other sites is to believe, all 8/9xxxm (and even discrete gpus) are defective. It is not a matter of 'will it fail' but 'will it fail while still covered by warranty?'

I don't want to say this is a lie but I have some remarks:

- I personally don't know, or hear someone who have a nvidia 8/9xxx(m) to have a problem. I'm talking only about people/companies I know.
- I read some stories about this problem but no one give numbers. You say they are dying in huge numbers. How huge are this numbers? What is the percent ? >1%, >10% ?
- When NVidia will go out of business that will be the worst day in computer history. That day will make ati a video card microsoft. And from that day competition and innovation will be killed. I want to ask you something: Do you think if Nvidia is dead, AMD will give you a radeon 4870 with 200Euro (~300$) ?

Again BRAVO NVidia
I just hope ATI will follow your example.

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Can anyone who plays WoW on Linux (using Cedega/Wine or whatever) comment on the the difference in performance between Linux and Windows?
In Windows, I can set the settings to highest, and it would not drop below 30 FPS, in D3D mode. In OpenGL, it was only a tad slower, reaching 20-25 FPS rarely.
In Linux, It's so much slower, never reaching above 25 in highest settings, and in default, never topping 35. Using Wine or Cedega only makes a few FPS of difference, and D3D is a few frames slower(although I like it because I can use Specular Lighting)
I tried a WoW script to launch it in a separate X server, and although it did feel faster, it's still not as fast as in Windows, and there is no sound with this method.
I'm not sure what's to fault in here, but I've seen lots of nVidia users report having same/higher FPS in Linux than in Windows, so maybe this is a ATI driver issue being slower than the Windows driver?

If you have it, then try to run it with unlimited stack size by using "ulimit -s unlimited" before running WoW. For me, it fixes the libGL error and allows to play WoW with high framerates at maximum settings.